Home / 124,928.07-172,412.61-68,347.95

Finding the Fourth Proportional to 124,928.07, 172,412.61 and 68,347.95

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Solution

The fourth proportional to 124,928.07, 172,412.61 and 68,347.95 is: 94,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.07 : 172,412.61 = 68,347.95 : x
  2. Step 2: Convert to fraction form
    124,928.07/172,412.61 = 68,347.95/x
  3. Step 3: Cross multiply
    124,928.07x = 172,412.61 × 68,347.95
  4. Step 4: Simplify right side
    124,928.07x = 11,784,048,447.65
  5. Step 5: Solve for x
    x = 11,784,048,447.65/124,928.07
  6. Step 6: Final answer
    x = 94,326.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.